How to use the ramp-frontend.ramp_frontend.forms.CodeForm.names_codes function in ramp-frontend

db.session, event_name, flask_login.current_user.name,
        event.ramp_sandbox_name
    )
    event_team = get_event_team_by_name(
        db.session, event_name, flask_login.current_user.name
    )
    # initialize the form for the code
    # The amount of python magic we have to do for rendering a variable
    # number of textareas, named and populated at run time, is mind
    # boggling.

    # First we need to make sure CodeForm is empty
    # for name_code in CodeForm.names_codes:
    #     name, _ = name_code
    #     delattr(CodeForm, name)
    CodeForm.names_codes = []

    # Then we create named fields in the CodeForm class for each editable
    # submission file. They have to be populated when the code_form object
    # is created, so we also create a code_form_kwargs dictionary and
    # populate it with the codes.
    code_form_kwargs = {}
    for submission_file in sandbox_submission.files:
        if submission_file.is_editable:
            f_field = submission_file.name
            setattr(CodeForm,
                    f_field, StringField('Text', widget=TextArea()))
            code_form_kwargs[f_field] = submission_file.get_code()
    code_form_kwargs['prefix'] = 'code'
    code_form = CodeForm(**code_form_kwargs)
    # Then, to be able to iterate over the files in the sandbox.html
    # template, we also fill a separate table of pairs (file name, code).